@article{6516, author = {Lee, Kwang Yuan,}, url = {http://library.usi.edu/record/6516}, title = {Triassic stratigraphy in the northern part of the Culpeper Basin, Virginia and Maryland /}, publisher = {U.S. Govt. Print. Off.,}, recid = {6516}, pages = {iii, 17 p. :}, address = {Washington :}, year = {1977}, }